"A Bedouin came to the Prophet ﷺ to ask him about Wudu', so he showed him how to perform Wudu', washing each part three times, then he said: 'This is Wudu'. Whoever does more than that has done badly, done to extremes and done wrong.'"  

جَاءَ أَعْرَابِيٌّ إِلَى النَّبِيِّ ﷺ يَسْأَلُهُ عَنِ الْوُضُوءِ فَأَرَاهُ الْوُضُوءَ ثَلاَثًا ثَلاَثًا ثُمَّ قَالَ هَكَذَا الْوُضُوءُ فَمَنْ زَادَ عَلَى هَذَا فَقَدْ أَسَاءَ وَتَعَدَّى وَظَلَمَ